Antivibrating car-truck.



No. 656,38l. Patented Aug. 2|, I900. L. C. THOMPSON & F. KIRK.

ANTIVIBRATING CAR TRUCK.

(Application filed. Oct. 19, 1899.)

(No llodel.)

NITED ST PATENT OFFICE.

LUTHER O. THOMPSON, OF OUYAHOGA FALLS, AND FRANK KIRK, OF

' AKRON, OHIO.

ANTIVIBRATING CAR-TRUCK.

SPECIFICATION forming part of. Letters Patent No. 656,381, dated August21, 1900.

Appllcationfiled October 19,1899. Serial No. 734,138. on model.)

To ctZZ whom it may oonccrnf Be it known that we,LuTH R'O.THoMPsoN,residing at Ouyahoga Falls,and FRANK KIRK, residing in the city ofAkron, county of Summit, and State of Ohio, citizens of the UnitedStates, have invented a new and Improved Antivibratin g Car-Truck, ofwhich the followin is a ful1,c1ear, and exact description, that wilenable those skilled in the art to make and use the same, referencebeing had to the accompanying drawings, that form a part of thisspecification. I

First. One object of our invention is to sever the circuit of vibrationbetween the cartrucks and the carand to overcome compound friction atthe curves of the road and to thereby economize in power.

Second. It is also our object to support the car uponantifriction-rollers located over the journal-boxes of the motordrive-wheels, having radial centers that connect the trucks to the carand bracing the frames by a pair of reaches that receive the vibratoryshocks from the armatures and car-wheels, substantially bracing thetruck-frames, preventing a derailment of the guide-wheels.

Third. It is our object to prevent a shearing cut of the motor-wheelflanges upon the rails when passing around a curve in the track, therebyobviating friction and reducing the centrifugal force of the car andpermitting of a high speed with greater safety.

Fourth. It is also our object to cushion the vibratory shock through thereach connections.

Fifth. It is our object to increase the adhesiveness between the wheelsand the rails,

enabling the car to ascend and descend grades Figure 1 is a top planview. Fig. 2 is a front elevation of the motor-bar. Fig. 3 is a top viewof one of the reaches detached. Fig. is a side elevation of thedepression or ten sion reach. Fig. 5 is a side elevation of the trucks.

Similar characters refer to similar parts throughout the several views.

In carrying out our invention we provide a pair of maximumtraction-trucks A, one for each end of the car. Each of these trucksconsists of the truck-frame 20,provided with large drive-wheels andsmall follower-wheels, the axles of said wheels being j ournaled in theordinary or anypreferred way in the pedestals B. The motors Pare gearedto the driver-axles in the usual way, the inner or horn end of the motorbeing supported upon the motor-bar C through the medium of the box 0,through an aperture in which the horn of the motor projects.Spring-cushions R and S are provided below and above the box a in theguideway D, with which the motor-bar O is provided.

nor end beams 23 and the outer end beams 23, which serve to connect theside frames together and preserve the parallelism of the frame. Atransom-beam 24. connects the side frames together,being secured theretoat a point between the motor-bar O and the follower-axle of each of thetrucks.

The weight of the car-body is supported over the pedestals B by theantifriction-rollers a, the pivotal points of the truck being locatedover the center of the driver-axle.

Connecting the transom-beams 24 of the two trucks are the duplex reachesL L. These reaches are each composed of the upper spring-steel bar 1 andthe lower trussed bar 2 3, the member 3 being suitably cambered, so thatthe strut-thimble V may be inserted between it and the member 2. Theendsof the members 2 and 3 are rigidly secured together by the rivets XX. The'upper memher 1 of the reach is secured to the lower truss memberby the bolt 9, a spaeing-thimble V being inserted between the saidmembers to properly separate them. Bolts 5 and 5' pivotally connect theends of the reaches to the about midway between the middle and the endsthereof, and whenthepartsofthe truck: frame and reach are assembledthese supple: mental bolt s.8 and 8 are outsideof the end beam 2,3.of thruck-fr me n e ra e limit theipivotal actionot' the truck-frame,

Rub-irons are secured to the under side of t euppe m mb 10f t e at t epoint; Where said member crosses the end beam 25* of the truck-frame.

In assembling reaches andthe truelpf-rarnes theupper members l ofthe'reach esare placed" abo and he o r embers wer placed. below the endbeams23and transoms 2 4, and}- theirends are pivotally securedto saidtran,-

sornsby means of the bolts 5 5", asshown in Fig. 1-. It will thus beseen that any tend e ey h nne n f e meekr me to. ri ev 0f h we he s eeeme erailed will be resisted by the yielding pressure of the reachesupon the end beams 23 n it e tr n msflee rt he uppe 'ting ofthe car-bodydirectly over the driving x ee ehhtue p rmit ea p v a 1 swiveling actionof thetruck, thereby obviate ng he un a y gr nd ng a d wea up theflanges of the driver-wheels and permit. ting thefollower-Wh eels tosubserve the sole purpes o i h they a e pr v ded,viz-, t at Q et ng asgh d r e o p operly canryingthe trucks around'curves, and there;v bypreventing derailment.

While we have illustrated and; described a, particular embodiment of ourinvention and;

what may be considered; the prefenred' form; &

sofar as general featuresare concernedgye l e do not desire to b imi ed.there o, as many changes and. modifications. in detail; maybe madewithout departing from the spirit of our invention, and all such changesandjmodifications we desire to cover in our aims.

Having thus. described our invention, what i we clairnas new in anelectric-car runninggear, and desire to secure by Letters Patent} lS-.

1. In a car running-gea r,a pair of four- Wheel trucks pivoted to thecarsupporting thecar on rollers that interpose betweenthe truck-frame andthe car, having duplex reaches that support the frame and rollers inposition, as shown and described.

2'. In a car running-gear, a pair of four- Supplemental bolts 6. 6 and:

wheel trucks, connected bya pair of reaches toreceiyethe- \tibra'toryshock} of; them otors and wheels, as shown and described.

8. In a car running-gear, the combination of'a pair of frames with apair of reaches having depression-springs to receive the vibraitoryshbck of thearm'atu'res and car-Wheels jpenlnitting of an adjustment ofthe car-truck frame in unison with the curves of the track,

ashewnehd d sc 4. In. anelectric-car running-gear, having a pair offour-Wheel trucks united by a pair of reaches that are connected tothetranisoms of. eachtruck-frame and having-a bearing upon-theQlldwbQEtIIlS at therub-irons to receive the vibratory shock of themotors and car-wheels and toprevent a deraiLrnent-ofi the hiderw ees,esshewnanddese i bei.

' n acae h hnie r eer he emhinetien. pail- Qt' eaehe with their. Qttour-wheel. t at-hawk t am esv hari lhensoms hetb aee PBQLSUQPQ EU aair: of ehes h.d.theant fr 'q qn r er hat interpese etwe nihe truc r meehd he ar. for the p rpose of: 1 severing heei ie it 5 vibratieeenstprere t 'ha he eme rom-enterin th eanee hewn ae deser beand. or hep rnese set forth, 6'. In a car running-gear, the combinationo r he hp exl ea s, ons rue e e dee e te ith. a" pai of Q I-WhQQver-trucks ;cross-beams to prevent. a derailmentofi the whee s ahdeupperhg th ht i e enflielle depos t under. t e r es vs ew and. 5eizscribed,

naear unni srgear aying frames eon: hee edhy r neem and e d b -m i lybel ed e iveted to t e. de ect o s o the remes supper i the e ht of eear h he me e d ve-whee and r t in n th gguide-wheels upon the track bymeansof a lgpair Qf reaches. hav depres on sprin i ihat rece v the, mot-s rain, a d vibrate y whe ks e u t g ro he rap i revo v met en Qfi hearma ures a d e -Whee s a? rshew and. eser bed;-

: 8'. In car running-gear for, railroads, the fieembinat-ie o p i Oem-Wh e ee uppert d by a pa r of reaches -h tre e re fthe vibratoryshock from the motors support-.

@ing the guide-wheels upon the rails and reai n e ant fr et e e er ntPQSi i h t0 supp rt he car upon the rad al; centers-,as shown anddescribed.

9. Ina car running-gear, the combination 30f a pair of; four-wheel,trucks connected; by pair f a es, a in d pr s on-sp n thatreceivethevibratory shock, having said Springs tai ed n p t o y b lt hat pewsvEthrough said reaches, and connectingfthe p se hpesitio toafi a epreshfupon theupper section of the reach, havinga slot gin; the end of thereaQhrSections to permit of ia reciprocating motion at theboltpcon-nectime; when passing around curves in the track receiving thevibratory shock when starting taining the-antifriction-rollers inposition to 10 or reversing the power and preventing the support the carupon the radial centers, as same from entering the car, as shown anddeshown andidescribed. scribed. x v

5 10. In a car running-gear for railroads, the %EX %R} combination of apair of four-wheel trucks supported by a pair of reaches that receiveWitnesses: the vibratory shock from the motors support- E. E. OTIS, ingthe guide-wheels upon the rails and re- JULIA BILLINGS

